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Ilya Dryomov 82dcabad75 libceph: revamp subs code, switch to SUBSCRIBE2 protocol 
It is currently hard-coded in the mon_client that mdsmap and monmap
subs are continuous, while osdmap sub is always "onetime".  To better
handle full clusters/pools in the osd_client, we need to be able to
issue continuous osdmap subs.  Revamp subs code to allow us to specify
for each sub whether it should be continuous or not.

Although not strictly required for the above, switch to SUBSCRIBE2
protocol while at it, eliminating the ambiguity between a request for
"every map since X" and a request for "just the latest" when we don't
have a map yet (i.e. have epoch 0).  SUBSCRIBE2 feature bit is now
required - it's been supported since pre-argonaut (2010).

Move "got mdsmap" call to the end of ceph_mdsc_handle_map() - calling
in before we validate the epoch and successfully install the new map
can mess up mon_client sub state.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
 		2016-03-25 18:51:38 +01:00
..
9p wrappers for ->i_mutex access 2016-01-22 18:04:28 -05:00
adfs fs/adfs/adfs.h: tidy up comments 2016-01-20 17:09:18 -08:00
affs affs_do_readpage_ofs(): just use kmap_atomic() around memcpy() 2016-02-20 00:15:51 -05:00
afs wrappers for ->i_mutex access 2016-01-22 18:04:28 -05:00
autofs4 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-03-19 18:52:29 -07:00
befs kmemcg: account certain kmem allocations to memcg 2016-01-14 16:00:49 -08:00
bfs kmemcg: account certain kmem allocations to memcg 2016-01-14 16:00:49 -08:00
btrfs btrfs: use radix_tree_iter_retry() 2016-03-17 15:09:34 -07:00
cachefiles CacheFiles: Provide read-and-reset release counters for cachefilesd 2016-02-01 12:30:10 -05:00
ceph libceph: revamp subs code, switch to SUBSCRIBE2 protocol 2016-03-25 18:51:38 +01:00
cifs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-03-19 18:52:29 -07:00
coda Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-01-23 12:24:56 -08:00
configfs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-03-19 18:52:29 -07:00
cramfs
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debugfs wrappers for ->i_mutex access 2016-01-22 18:04:28 -05:00
devpts pty: make sure super_block is still valid in final /dev/tty close 2016-02-06 23:45:46 -08:00
dlm dlm for 4.6 2016-03-17 16:38:36 -07:00
ecryptfs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-03-19 18:52:29 -07:00
efivarfs efi: Make efivarfs entries immutable by default 2016-02-10 16:25:52 +00:00
efs kmemcg: account certain kmem allocations to memcg 2016-01-14 16:00:49 -08:00
exofs wrappers for ->i_mutex access 2016-01-22 18:04:28 -05:00
exportfs wrappers for ->i_mutex access 2016-01-22 18:04:28 -05:00
ext2 Performance improvements in SEEK_DATA and xattr scalability 2016-03-17 16:31:18 -07:00
ext4 Performance improvements in SEEK_DATA and xattr scalability 2016-03-17 16:31:18 -07:00
f2fs f2fs: Use skcipher 2016-01-27 20:35:55 +08:00
fat wrappers for ->i_mutex access 2016-01-22 18:04:28 -05:00
freevxfs
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fscache
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fuse wrappers for ->i_mutex access 2016-01-22 18:04:28 -05:00
gfs2 GFS2: merge window 2016-03-17 16:51:32 -07:00
hfs wrappers for ->i_mutex access 2016-01-22 18:04:28 -05:00
hfsplus wrappers for ->i_mutex access 2016-01-22 18:04:28 -05:00
hostfs wrappers for ->i_mutex access 2016-01-22 18:04:28 -05:00
hpfs hpfs: don't truncate the file when delete fails 2016-02-27 19:15:51 -05:00
hugetlbfs wrappers for ->i_mutex access 2016-01-22 18:04:28 -05:00
isofs kmemcg: account certain kmem allocations to memcg 2016-01-14 16:00:49 -08:00
jbd2 jbd2: do not fail journal because of frozen_buffer allocation failure 2016-03-13 17:38:20 -04:00
jffs2 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-03-11 10:13:49 -08:00
jfs wrappers for ->i_mutex access 2016-01-22 18:04:28 -05:00
kernfs kernfs: make kernfs_walk_ns() use kernfs_pr_cont_buf[] 2016-02-07 20:21:35 -08:00
lockd lockd: constify nlmsvc_binding structure 2016-01-07 10:10:50 -05:00
logfs wrappers for ->i_mutex access 2016-01-22 18:04:28 -05:00
minix kmemcg: account certain kmem allocations to memcg 2016-01-14 16:00:49 -08:00
ncpfs ncpfs: fix a braino in OOM handling in ncp_fill_cache() 2016-03-07 22:25:16 -05:00
nfs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-03-19 18:52:29 -07:00
nfs_common
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nfsd Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-03-19 18:52:29 -07:00
nilfs2 mm: introduce page reference manipulation functions 2016-03-17 15:09:34 -07:00
nls
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notify fsnotify: turn fsnotify reaper thread into a workqueue job 2016-02-18 16:23:24 -08:00
ntfs wrappers for ->i_mutex access 2016-01-22 18:04:28 -05:00
ocfs2 Configfs changes for the 4.6 merge window: 2016-03-17 16:25:46 -07:00
omfs
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openpromfs kmemcg: account certain kmem allocations to memcg 2016-01-14 16:00:49 -08:00
overlayfs ovl: copy new uid/gid into overlayfs runtime inode 2016-03-03 17:17:46 +01:00
proc proc-vmcore: wrong data type casting fix 2016-03-17 15:09:34 -07:00
pstore pstore: Add support for 64 Bit address space 2016-03-10 09:43:36 -08:00
qnx4 kmemcg: account certain kmem allocations to memcg 2016-01-14 16:00:49 -08:00
qnx6 kmemcg: account certain kmem allocations to memcg 2016-01-14 16:00:49 -08:00
quota quota: use lookup_one_len_unlocked() 2016-03-14 00:16:48 -04:00
ramfs
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reiserfs wrappers for ->i_mutex access 2016-01-22 18:04:28 -05:00
romfs kmemcg: account certain kmem allocations to memcg 2016-01-14 16:00:49 -08:00
squashfs kmemcg: account certain kmem allocations to memcg 2016-01-14 16:00:49 -08:00
sysfs
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sysv kmemcg: account certain kmem allocations to memcg 2016-01-14 16:00:49 -08:00
tracefs wrappers for ->i_mutex access 2016-01-22 18:04:28 -05:00
ubifs wrappers for ->i_mutex access 2016-01-22 18:04:28 -05:00
udf Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-01-23 12:24:56 -08:00
ufs kmemcg: account certain kmem allocations to memcg 2016-01-14 16:00:49 -08:00
xfs mm: simplify lock_page_memcg() 2016-03-15 16:55:16 -07:00
Kconfig dax: re-enable dax pmd mappings 2016-01-15 17:56:32 -08:00
Kconfig.binfmt
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Makefile mbcache2: rename to mbcache 2016-02-22 22:35:22 -05:00
aio.c
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anon_inodes.c
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attr.c wrappers for ->i_mutex access 2016-01-22 18:04:28 -05:00
bad_inode.c
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binfmt_aout.c
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binfmt_elf.c mm: ASLR: use get_random_long() 2016-02-27 10:28:52 -08:00
binfmt_elf_fdpic.c
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binfmt_em86.c
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binfmt_flat.c
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binfmt_misc.c wrappers for ->i_mutex access 2016-01-22 18:04:28 -05:00
binfmt_script.c
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block_dev.c Merge branch 'for-4.6/core' of git://git.kernel.dk/linux-block 2016-03-18 16:43:11 -07:00
buffer.c mm: simplify lock_page_memcg() 2016-03-15 16:55:16 -07:00
char_dev.c
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compat.c saner calling conventions for copy_mount_options() 2016-01-04 10:28:32 -05:00
compat_binfmt_elf.c
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compat_ioctl.c Merge 4.5-rc4 into char-misc-next 2016-02-14 14:25:59 -08:00
coredump.c fs/coredump: prevent "" / "." / ".." core path components 2016-01-20 17:09:18 -08:00
dax.c dax: check return value of dax_radix_entry() 2016-03-09 15:43:42 -08:00
dcache.c dcache.c: new helper: __d_add() 2016-03-14 00:17:38 -04:00
dcookies.c
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direct-io.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-03-19 18:52:29 -07:00
drop_caches.c
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eventfd.c
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eventpoll.c timer: convert timer_slack_ns from unsigned long to u64 2016-03-17 15:09:34 -07:00
exec.c vfs: define kernel_copy_file_from_fd() 2016-02-21 09:06:10 -05:00
fcntl.c fcntl: allow to set O_DIRECT flag on pipe 2016-01-09 02:55:37 -05:00
fhandle.c
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file.c kmemcg: account certain kmem allocations to memcg 2016-01-14 16:00:49 -08:00
file_table.c
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filesystems.c find_filesystem(): simplify comparison 2016-01-19 12:02:23 -05:00
fs-writeback.c writeback: flush inode cgroup wb switches instead of pinning super_block 2016-03-03 14:42:50 -07:00
fs_pin.c
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fs_struct.c
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inode.c writeback: initialize inode members that track writeback history 2016-02-16 14:57:21 -07:00
internal.h Merge branch 'for-linus' into work.misc 2016-01-08 21:20:11 -05:00
ioctl.c wrappers for ->i_mutex access 2016-01-22 18:04:28 -05:00
libfs.c wrappers for ->i_mutex access 2016-01-22 18:04:28 -05:00
locks.c wrappers for ->i_mutex access 2016-01-22 18:04:28 -05:00
mbcache.c mbcache: add reusable flag to cache entries 2016-02-22 22:44:04 -05:00
mount.h
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mpage.c fs/mpage.c:mpage_readpages(): use lru_to_page() helper 2016-03-15 16:55:16 -07:00
namei.c kill dentry_unhash() 2016-03-14 00:16:33 -04:00
namespace.c wrappers for ->i_mutex access 2016-01-22 18:04:28 -05:00
no-block.c
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nsfs.c
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open.c wrappers for ->i_mutex access 2016-01-22 18:04:28 -05:00
pipe.c pipe: limit the per-user amount of pages allocated in pipes 2016-01-19 19:25:21 -05:00
pnode.c fs/pnode.c: treat zero mnt_group_id-s as unequal 2016-02-20 00:15:52 -05:00
pnode.h
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posix_acl.c
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proc_namespace.c vfs: show_vfsstat: do not ignore errors from show_devname method 2016-03-16 13:09:08 -04:00
read_write.c Merge branches 'work.lookups', 'work.misc' and 'work.preadv2' into for-next 2016-03-18 16:07:38 -04:00
readdir.c wrappers for ->i_mutex access 2016-01-22 18:04:28 -05:00
select.c timer: convert timer_slack_ns from unsigned long to u64 2016-03-17 15:09:34 -07:00
seq_file.c
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signalfd.c
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splice.c Merge branches 'work.lookups', 'work.misc' and 'work.preadv2' into for-next 2016-03-18 16:07:38 -04:00
stack.c
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stat.c fs/stat.c: drop the last new_valid_dev check 2016-01-16 11:17:23 -08:00
statfs.c
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super.c writeback: flush inode cgroup wb switches instead of pinning super_block 2016-03-03 14:42:50 -07:00
sync.c
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timerfd.c timerfd: Handle relative timers with CONFIG_TIME_LOW_RES proper 2016-01-17 11:13:55 +01:00
userfaultfd.c userfaultfd: don't block on the last VM updates at exit time 2016-03-02 09:03:18 -08:00
utimes.c wrappers for ->i_mutex access 2016-01-22 18:04:28 -05:00
xattr.c xattr handlers: plug a lock leak in simple_xattr_list 2016-02-20 00:15:51 -05:00